Which of the following elements, when present in high enough concentration, can stain the color of the teeth?
A) calcium
B) magnesium
C) zinc
D) lithium
E) fluorine
Correct Answer:
Verified
Q19: Estimate which of the following contributes the
Q20: About how much of the water present
Q21: Intermolecular forces are a type of covalent
Q22: During a phase change, which is true?
A)Intermolecular
Q23: A molecule that is polar will
A)have a
Q25: If salt water is 3.5% salt by
Q26: At which location will a pot of
Q27: The isotopes of hydrogen exist in the
Q28: What is the reason that some counties
Q29: A hydrogen bond
A)forms between two hydrogen atoms
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